Online duplicate string remover/finder

Online duplicate list string and duplicate values remover/finder (for Excel/Word and other text editors)

Paste lines into the field, select any options below, and press Remove duplicates. Results appear at the bottom of the page. Find duplicate will show what values are duplicated from the string you pasted in.

Show Example

Note: Processing an extremely large list can slow down your computer.

Online duplicate string remover/finder

Our online tool provides a quick and easy way to remove duplicates from your documents or strings. With just a few clicks, you can eliminate duplicate entries and streamline your data. Simply upload your content or paste your string into our tool and let our tool remove all duplicate values. Our tool uses advanced algorithms to identify and remove duplicates, while preserving the integrity of your data. Plus, our user-friendly interface makes it easy to use, even for those with limited technical skills. So whether you're working with a large spreadsheet or a simple text file, our online tool can help you clean up your data and save you time and effort. Give it a try today and see how easy it is to remove duplicates from your documents or strings!

Removing duplicates from strings is a common task in Excel or other online documents. Fortunately, these tools provide built-in features that make it easy to remove duplicates. Here are some methods for removing duplicates from strings in Excel or online documents.

Using Excel's "Remove Duplicates" feature

Excel has a built-in feature that allows you to remove duplicates from a selected range of cells. Here's how to use it:

  • Select the range of cells containing the strings that you want to remove duplicates from.
  • Click on the "Data" tab in the Excel ribbon.
  • Click on the "Remove Duplicates" button in the "Data Tools" group.
  • In the "Remove Duplicates" dialog box, make sure that the "My data has headers" option is selected if your range has headers.
  • Select the columns that contain the strings you want to remove duplicates from.
  • Click on the "OK" button.

Excel will remove duplicates from the selected range and leave only unique strings.

Using Excel's "Advanced Filter" feature

Excel's "Advanced Filter" feature allows you to filter a range of data based on specific criteria. Here's how to use it to remove duplicates:

  • Copy the range of cells containing the strings you want to remove duplicates from to a new location on the worksheet.
  • Select the new range of cells.
  • Click on the "Data" tab in the Excel ribbon.
  • Click on the "Advanced" button in the "Sort & Filter" group.
  • In the "Advanced Filter" dialog box, select the "Copy to another location" option.
  • In the "List range" field, enter the range of cells containing the copied data.
  • In the "Criteria range" field, enter the range of cells containing the strings you want to remove duplicates from.
  • Make sure that the "Unique records only" option is selected.
  • Click on the "OK" button.

Excel will filter the copied range and leave only unique strings in the new location.

Using an online document editor's "Remove Duplicates" feature

Many online document editors, such as Google Docs or Microsoft 365, have a built-in "Remove Duplicates" feature. Here's how to use it:

  • Select the range of cells containing the strings that you want to remove duplicates from.
  • Click on the "Data" or "Edit" tab in the online document editor's ribbon.
  • Click on the "Remove Duplicates" button in the "Data Tools" group.
  • In the "Remove Duplicates" dialog box, select the columns that contain the strings you want to remove duplicates from.
  • Click on the "OK" button.

The online document editor will remove duplicates from the selected range and leave only unique strings.

In conclusion, removing duplicates from strings in Excel or online documents is a simple process using built-in features. By following the steps outlined above, you can quickly and easily remove duplicates from your data.

If you're working with strings, it's possible that you'll encounter duplicates that you need to remove. Fortunately, there are several ways to do this in a variety of programming languages. In this article, we'll cover some of the most common methods for removing duplicates from strings.

Using Sets

One of the simplest ways to remove duplicates from a string is to convert it into a set. Since sets only contain unique elements, any duplicates will be automatically removed. Here's an example in Python:

string_with_duplicates = "hello world"
unique_chars = set(string_with_duplicates)
unique_string = ''.join(unique_chars)
print(unique_string) # Output: 'dehlorw '

Using a Dictionary

Another way to remove duplicates from a string is to iterate over each character and add it to a dictionary as a key. Since dictionaries can only contain unique keys, any duplicates will be automatically removed. Here's an example in Python:

string_with_duplicates = "hello world"
unique_chars = {}
for char in string_with_duplicates:
unique_chars[char] = 1
unique_string = ''.join(unique_chars.keys())
print(unique_string) # Output: 'dehlorw'

Using a List

If you prefer to use lists, you can also remove duplicates by iterating over each character and adding it to a new list if it doesn't already exist in the list. Here's an example in Python:

string_with_duplicates = "hello world"
unique_chars = []
for char in string_with_duplicates:
if char not in unique_chars:
unique_chars.append(char)
unique_string = ''.join(unique_chars)
print(unique_string) # Output: 'helowrd'

Using Regular Expressions

If you're working with a string that contains multiple occurrences of a specific pattern, you can use regular expressions to remove duplicates. Here's an example in Python:

import re
string_with_duplicates = "hello world, world hello"
unique_string = re.sub(r'\b(\w+)(?:\W+\1\b)+', r'\1', string_with_duplicates)
print(unique_string) # Output: 'hello world, world'

These are just a few examples of how to remove duplicates from strings. Depending on the programming language you're using and the specific requirements of your project, there may be other methods that work better for you.


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